Nut-lock.



No. 656,|52. Patented Aug. I4, |900.

M.l BABTLEY. NUT LUCK.

(Application filed Mar. 81, 1900.)

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i NiTEn STATES PATENT Y FFCE@ MILTON BARTLEY, OF POLK, PENNSYLVANIA, ASSIGNOR OF THREE-TENTHS TO JAMES MOORHEAD MURDOCH AND HARRY FLEMING MCDOWELL, OF PITTSBURG, AND GEORGE LINCOLN WEAVER, OF PHILADELPHIA, PENN- SYLVANIA.

VNUT-LOCKu SPECIFICATION forming part f Letters Patent NO. 656,152, dated. August 14, 1900.

Application illed Marcil 31 1900. Serial No. 10,987. (No model.)

To all whom it may concern: rip or split the metal when the tongue is bent Beit known that I, MILTONBARTLEY, aciti down. This divided portion of the washer-l zen ofthe United States, residing at Polk, in plate constitutes an upwardlyprojecting the county of Venango and State of Pennsyltongue 9, .extending slightly above the main 5 Vania, have invented certain new and useful bodyportion of the washer-plate or a sufficient 5 5 Improvements in Nut=Locks, of which the foldistance to provide enough stock to give a lowing is a specification, reference being had good bearing against the nut. This tongue is to the accompanying drawings, forming part curved outwardly at the top to facilitate the of this specication, in wliichbending action by insertion of a suitable tool Io Figure l is a face view of a portion of a railor striking by a hammer, so as to bring it into 6o joint-,showing the application of myimproved position with the side of the nut. In order nut-lock. Fig. 2 is a cross-sectional view on to insure a tight bearing, this tongue portion the line II II of Fig. 1. Fig. 3is a perspective of the plate is also slightly bent forwardly on view showing the locking-washer in position a line a with the cut 7, so that when thev 15 unde'r the nut. Fig. 4; isasimilar view showtongue is bent it will move outwardlyT in a 65 ing the Vlocking-tongue turned down to enplane at right angles to its own body portion, gage the side of the nut. Fig. 5 is a perspecand therefore somewhat inwardly toward and tive detail view of the Washer. Fig. Gis asecagainst the adjacent side of the nut. This tional view taken on the line VI VI of Fig. 5. latter feature is an important andl valuable 2o Fig. 7 is a face view of the washer provided one, `as the tongue will thus be brought into 7o` with a tongue at the right side for use with a close contact with the nut and will effectually left-hand-threaded nut. Fig. 8 is a similar act to prevent its movement. By turning the view showing the washer provided with a tongue back to its original position the nut tongue at both sides. may be unscrewed and the washer may, if de- V25 My invention consists of an improvement sired, be used again. 75 in devices for preventing nuts from loosen- When used with a bolt having a left-hand ing by turning; and it consists in a speciallyscrew, I use the form shown in Fig. 7, wherea constructed washer-plate adapted to engage in the tongue 9 is located at the right side, the bolt under the nut and providedl with an while in Fig. 8 I have shown a still further 3o extended tongue capable of being bent down modification, in which a tongue is provided 8o alongside the nutin engagement with its side, at each side, so as to admit of its use with made and used as I shall now proceed to deeither a right or left hand washer, or both scribe. tongues may be bent down, ifl desired, with Referring to the drawings, I have shown either style of thread of nut.

3 5 my invention as applied to arail-joint where- It will be understood that I do not desire 85 in 2 represents the rail, the ends of which are to be conned to the exact shape as shown, connected by the usual fish-plates 3 3 and but that variations may be made by the bolt 4. skilled mechanic without departing from my Myirnproved lockingwasher is made of a invention as expressed in the following 4o metallic plate 5, preferably pliable, having a claims. 9o

cent1-al hole 5 for the bolt and along one side What I claim is-e a straight edge 6, adapted to bear against the l. A nut-lock washer consisting of a plate flange of the iish-plate or of. the rail, as the provided with a bolt-hole and a bearing edge, case may be, so as to prevent turning of the a tongue extension partially severed from the 45 washer-plate. 'On a line to one side of the plate on a line corresponding to the edge of 95 central hole 5 and corresponding in relative the nut and bent outwardly at an angle to the location to the side of the nut the plate is cut vface of the washer on the line of severance D down, as at 7, to about the level of the cenwhereby when the tongue is bent down it will f ter of the bolt-hole, the cut terminating in a bind inwardly against the side of the nut.

5oround hole S, so as to prevent any tendency to 2. In a nut-lock, the combination with a roo bolt and a nut of a Washer-plate engaging the In testimony whereof I aiix my signature bolt under the nut provided with a bearing in presence of two Witnesses. edge, a partially-severed tongue extension Y w r bent outwardly on the line of severance at an l MILTON BAR'I LEX 5 :ingle to the face of the Washer, and adapted Vitnesses:

to be bent down and to bind inwardly against EDWIN M. WHITE, the side of the nut. GEO. B. HAYS. 

